The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 24, 1994
Filed:
Feb. 11, 1993
Applicant:
Inventors:
Bernhard Huber, Dulmen, DE;
Werner Freitag, Dorsten, DE;
Assignee:
Huels Aktiengesellschaft, Marl, DE;
Primary Examiner:
Int. Cl.
CPC ...
C09D / ;
U.S. Cl.
CPC ...
106 / ; 106 / ; 106 / ;
Abstract
Non-aqueous ball point pen inks, which contain dyes, resins, solvents and additives which demonstrate improved rheological behavior under the most varied climatic conditions. Leaking and spotting are reliably avoided, and ink production is simplified. Alcohol-soluble cellulose derivatives are used as additives.